72250955 has 8 divisors (see below), whose sum is σ = 99087072. Its totient is φ = 49543488.

The previous prime is 72250943. The next prime is 72250961. The reversal of 72250955 is 55905227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72250955 - 2⁸ = 72250699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 2064313 = 72250955 / (7 + 2 + 2 + 5 + 0 + 9 + 5 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032122 + ... + 1032191.

It is an arithmetic number, because the mean of its divisors is an integer number (12385884).

Almost surely, 2^72250955 is an apocalyptic number.

72250955 is a deficient number, since it is larger than the sum of its proper divisors (26836117).

72250955 is a wasteful number, since it uses less digits than its factorization.

72250955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064325.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 72250955 is about 8500.0561762850. The cubic root of 72250955 is about 416.4995443551.

The spelling of 72250955 in words is "seventy-two million, two hundred fifty thousand, nine hundred fifty-five".